When we refer to summer, we would think of the sun and heat. But how would these climatic features impact drinking water? Few articles give the answer. Nevertheless, we believe it is worth further research. We will show you the hidden link between hot summer and drinking water in this article. Keep reading!   Bacteria Grows   Different bacteria have different requirements on environmental conditions, such as temperature. The most suitable temperature for the growth of bacteria is 20-40 ℃, which is exactly the average temperature of summer. With the heat warming rivers and waters, the season creates the most favourable temperature for the growth of bacteria, such as Shigella, Escherichia coli, Vibrio, and Salmonella, viruses such as Norwalk virus, as well as protozoans such as Entamoeba...